Right or wrong

[Pinkbits]

I don't know if any of you listen to 3AW here in Melbourne so here goes.
They have a segment on early every Saturday & Sunday mornings called "buy, swap & sell"
This morning a fellow calls to sell a HG 350 Monaro. Apparently it belonged to his recently deceased brother who had had it from new or close to it.
It was said to have 16,xxx original miles (may have clocked over once, who knows) Sunburst Orange (i think) all documentation etc, even repossession warning letters from when he fell behind in his payments.
His brother who was selling it had absolutely no idea of it's worth & was asking 20k for it.
The announcer Darren James being a bit of a car buff told him that it was way too low for a car of that stature.
I don't know what happened next but Darren must have received a few e-mails from disgruntled prospective buyers that may have missed out on a bargain & read one of them on air.

What are your thoughts.
Would it have been tuff luck for the seller to let it go so cheap given the opportunity & resources to be able to get a fairly accurate estimate of it's true worth, or did the announcer do the right thing by bringing it to his attention and thus spoiling the opportunity of someone snapping up a bargain?

My opinion is that i believe he did the right thing by the seller in bringing it to his attention.